Powellite and Moss Agate Optical Properties

Powellite

Moss Agate

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1 Optical Properties

1.1 Luster

Greasy, Subadamantine

Not Available

1.2 Pleochroism

In deeply colored specimens: blue greenAnthony et al

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Transparent

TranslucentWalter Schumann, Gemstones of the world (2001)

1.5 Refractive Index

1.974-1.9841.530-1.540

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not Available0.004

0 0.296

1.9 Clarity

Transparent

TranslucentWalter Schumann

Powellite and Moss Agate Optic Character

Powellite and Moss Agate optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Powellite and Moss Agate Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Powellite and Moss Agate optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Powellite and Moss Agate Transparency

Similar to their colors, Powellite and Moss Agate transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Powellite is Transparent while Powellite is Transparent in appearance.